664703524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 1231353900

約数和(自身を除く): 566650376

約数列:

[1, 2, 4, 19, 38, 76, 361, 569, 722, 809, 1138, 1444, 1618, 2276, 3236, 10811, 15371, 21622, 30742, 43244, 61484, 205409, 292049, 410818, 460321, 584098, 821636, 920642, 1168196, 1841284, 8746099, 17492198, 34984396, 166175881, 332351762, 664703524]

約数ペア:

[(1, 664703524), (2, 332351762), (4, 166175881), (19, 34984396), (38, 17492198), (76, 8746099), (361, 1841284), (569, 1168196), (722, 920642), (809, 821636), (1138, 584098), (1444, 460321), (1618, 410818), (2276, 292049), (3236, 205409), (10811, 61484), (15371, 43244), (21622, 30742)]